[INFO] cloning repository BearGuy/saito [INFO] running `"git" "clone" "--bare" "git://github.com/BearGuy/saito.git" "work/cache/sources/gh/BearGuy/saito"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/BearGuy/saito'... [INFO] running `"git" "clone" "work/cache/sources/gh/BearGuy/saito" "work/ex/beta-1.37-6/sources/1.36.0/gh/BearGuy/saito"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/BearGuy/saito'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/BearGuy/saito" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/BearGuy/saito"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/BearGuy/saito'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 5c7f1c0a812a813674b5553aaec3ee088bca4dcd [INFO] sha for GitHub repo BearGuy/saito: 5c7f1c0a812a813674b5553aaec3ee088bca4dcd [INFO] validating manifest of BearGuy/saito on toolchain 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of BearGuy/saito on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing BearGuy/saito [INFO] finished frobbing BearGuy/saito [INFO] frobbed toml for BearGuy/saito written to work/ex/beta-1.37-6/sources/1.36.0/gh/BearGuy/saito/Cargo.toml [INFO] started frobbing BearGuy/saito [INFO] finished frobbing BearGuy/saito [INFO] frobbed toml for BearGuy/saito written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/BearGuy/saito/Cargo.toml [INFO] crate BearGuy/saito already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing BearGuy/saito against 1.36.0 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/BearGuy/saito:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "build" "--frozen"` [INFO] [stdout] 18c1b2dba6fed8459ff89874e38fa7546f871670b9d8749d635362d60df21a59 [INFO] running `"docker" "start" "-a" "18c1b2dba6fed8459ff89874e38fa7546f871670b9d8749d635362d60df21a59"` [INFO] [stderr] Compiling cc v1.0.26 [INFO] [stderr] Compiling serde v1.0.93 [INFO] [stderr] Compiling merkle v1.10.0 [INFO] [stderr] Compiling rayon-core v1.5.0 [INFO] [stderr] Compiling sha2 v0.8.0 [INFO] [stderr] Compiling ring v0.13.5 [INFO] [stderr] Compiling secp256k1 v0.12.2 [INFO] [stderr] Compiling rayon v1.1.0 [INFO] [stderr] Compiling serde_bytes v0.11.1 [INFO] [stderr] Compiling bincode v1.1.4 [INFO] [stderr] Compiling saito-rust v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused variable: `secret_key` [INFO] [stderr] --> src/lib.rs:1120:10 [INFO] [stderr] | [INFO] [stderr] 1120 | let (secret_key, public_key) = generate_keys(); [INFO] [stderr] | ^^^^^^^^^^ help: consider prefixing with an underscore: `_secret_key` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/lib.rs:1123:10 [INFO] [stderr] | [INFO] [stderr] 1123 | for x in 0..10 { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_x` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `block` [INFO] [stderr] --> src/lib.rs:1133:9 [INFO] [stderr] | [INFO] [stderr] 1133 | for block in blocks.iter() { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_block` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `f` [INFO] [stderr] --> src/lib.rs:1138:17 [INFO] [stderr] | [INFO] [stderr] 1138 | let mut f = BufWriter::new(File::create(filename).unwrap()); [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_f` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `decoded` [INFO] [stderr] --> src/lib.rs:1157:17 [INFO] [stderr] | [INFO] [stderr] 1157 | let decoded: Block = bincode::deserialize(&encoded[..]).unwrap(); [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_decoded` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `decoded` [INFO] [stderr] --> src/lib.rs:1178:9 [INFO] [stderr] | [INFO] [stderr] 1178 | let decoded: Block = bincode::deserialize(&encoded[..]).unwrap(); [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_decoded` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `golden_tx_solution` [INFO] [stderr] --> src/lib.rs:133:17 [INFO] [stderr] | [INFO] [stderr] 133 | let golden_tx_solution = self.calculate_solution( [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_golden_tx_solution` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `golden_tx` [INFO] [stderr] --> src/lib.rs:163:21 [INFO] [stderr] | [INFO] [stderr] 163 | let mut golden_tx = wallet.create_transaction( [INFO] [stderr] | ^^^^^^^^^ help: consider prefixing with an underscore: `_golden_tx` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `vote` [INFO] [stderr] --> src/lib.rs:206:17 [INFO] [stderr] | [INFO] [stderr] 206 | let mut vote: u8 = 0; [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_vote` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `random_solution` [INFO] [stderr] --> src/lib.rs:236:27 [INFO] [stderr] | [INFO] [stderr] 236 | fn find_winner(&self, random_solution: &[u8], previous_block: &Block) -> PublicKey { [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_random_solution` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:163:17 [INFO] [stderr] | [INFO] [stderr] 163 | let mut golden_tx = wallet.create_transaction( [INFO] [stderr] | ----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:206:13 [INFO] [stderr] | [INFO] [stderr] 206 | let mut vote: u8 = 0; [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:250:12 [INFO] [stderr] | [INFO] [stderr] 250 | let mut winning_tx = self.find_winning_transaction(previous_block); [INFO] [stderr] | ----^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:1138:13 [INFO] [stderr] | [INFO] [stderr] 1138 | let mut f = BufWriter::new(File::create(filename).unwrap()); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: static item is never used: `BLANK_32_SLICE` [INFO] [stderr] --> src/lib.rs:36:1 [INFO] [stderr] | [INFO] [stderr] 36 | static BLANK_32_SLICE: [u8; 72] = [0; 72]; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `calculate_difficulty` [INFO] [stderr] --> src/lib.rs:323:5 [INFO] [stderr] | [INFO] [stderr] 323 | fn calculate_difficulty (&self, previous_block: &Block) -> f32 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `calculate_paysplit` [INFO] [stderr] --> src/lib.rs:330:5 [INFO] [stderr] | [INFO] [stderr] 330 | fn calculate_paysplit (&self, previous_block: &Block) -> f32 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `calculate_to_amount` [INFO] [stderr] --> src/lib.rs:438:5 [INFO] [stderr] | [INFO] [stderr] 438 | fn calculate_to_amount(&self) -> f32 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `create_block` [INFO] [stderr] --> src/lib.rs:1119:1 [INFO] [stderr] | [INFO] [stderr] 1119 | fn create_block() -> Block { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `write_blocks` [INFO] [stderr] --> src/lib.rs:1132:1 [INFO] [stderr] | [INFO] [stderr] 1132 | fn write_blocks(blocks: &Vec) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `read_blocks` [INFO] [stderr] --> src/lib.rs:1147:1 [INFO] [stderr] | [INFO] [stderr] 1147 | fn read_blocks() -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `serialize_and_deserialize` [INFO] [stderr] --> src/lib.rs:1166:1 [INFO] [stderr] | [INFO] [stderr] 1166 | fn serialize_and_deserialize(block: &Block) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:862:9 [INFO] [stderr] | [INFO] [stderr] 862 | f.write_all(&encode[..]); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:986:9 [INFO] [stderr] | [INFO] [stderr] 986 | f.write_all(&encode[..]); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:1170:5 [INFO] [stderr] | [INFO] [stderr] 1170 | f.write_all(&encode[..]); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused import: `create_merkle_root` [INFO] [stderr] --> src/main.rs:1:65 [INFO] [stderr] | [INFO] [stderr] 1 | use saito::{Mempool, Blockchain, BurnFee, Wallet, Miner, Block, create_merkle_root}; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `RefCell`, `RefMut` [INFO] [stderr] --> src/main.rs:3:17 [INFO] [stderr] | [INFO] [stderr] 3 | use std::cell::{RefCell, RefMut}; [INFO] [stderr] | ^^^^^^^ ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `SystemTime`, `UNIX_EPOCH` [INFO] [stderr] --> src/main.rs:4:17 [INFO] [stderr] | [INFO] [stderr] 4 | use std::time::{SystemTime, UNIX_EPOCH}; [INFO] [stderr] | ^^^^^^^^^^ ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:11:9 [INFO] [stderr] | [INFO] [stderr] 11 | let mut mempool = Mempool::new(); [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 40.71s [INFO] running `"docker" "inspect" "18c1b2dba6fed8459ff89874e38fa7546f871670b9d8749d635362d60df21a59"` [INFO] running `"docker" "rm" "-f" "18c1b2dba6fed8459ff89874e38fa7546f871670b9d8749d635362d60df21a59"` [INFO] [stdout] 18c1b2dba6fed8459ff89874e38fa7546f871670b9d8749d635362d60df21a59 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/BearGuy/saito:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen" "--no-run"` [INFO] [stdout] c6dd7e28d17f04b72c8d06b4c183fcd55bfbc48516a2a7590138623919beb859 [INFO] running `"docker" "start" "-a" "c6dd7e28d17f04b72c8d06b4c183fcd55bfbc48516a2a7590138623919beb859"` [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling regex-automata v0.1.8 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling serde_json v1.0.40 [INFO] [stderr] Compiling bstr v0.2.4 [INFO] [stderr] Compiling csv-core v0.1.6 [INFO] [stderr] Compiling tinytemplate v1.0.2 [INFO] [stderr] Compiling csv v1.1.1 [INFO] [stderr] Compiling criterion v0.2.11 [INFO] [stderr] Compiling saito-rust v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `create_merkle_root` [INFO] [stderr] --> src/main.rs:1:65 [INFO] [stderr] | [INFO] [stderr] 1 | use saito::{Mempool, Blockchain, BurnFee, Wallet, Miner, Block, create_merkle_root}; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `RefCell`, `RefMut` [INFO] [stderr] --> src/main.rs:3:17 [INFO] [stderr] | [INFO] [stderr] 3 | use std::cell::{RefCell, RefMut}; [INFO] [stderr] | ^^^^^^^ ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `SystemTime`, `UNIX_EPOCH` [INFO] [stderr] --> src/main.rs:4:17 [INFO] [stderr] | [INFO] [stderr] 4 | use std::time::{SystemTime, UNIX_EPOCH}; [INFO] [stderr] | ^^^^^^^^^^ ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:11:9 [INFO] [stderr] | [INFO] [stderr] 11 | let mut mempool = Mempool::new(); [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `Mutex` [INFO] [stderr] --> src/lib.rs:1189:21 [INFO] [stderr] | [INFO] [stderr] 1189 | use std::sync::{Mutex, Arc}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `secret_key` [INFO] [stderr] --> src/lib.rs:1120:10 [INFO] [stderr] | [INFO] [stderr] 1120 | let (secret_key, public_key) = generate_keys(); [INFO] [stderr] | ^^^^^^^^^^ help: consider prefixing with an underscore: `_secret_key` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/lib.rs:1123:10 [INFO] [stderr] | [INFO] [stderr] 1123 | for x in 0..10 { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_x` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `block` [INFO] [stderr] --> src/lib.rs:1133:9 [INFO] [stderr] | [INFO] [stderr] 1133 | for block in blocks.iter() { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_block` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `f` [INFO] [stderr] --> src/lib.rs:1138:17 [INFO] [stderr] | [INFO] [stderr] 1138 | let mut f = BufWriter::new(File::create(filename).unwrap()); [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_f` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `decoded` [INFO] [stderr] --> src/lib.rs:1157:17 [INFO] [stderr] | [INFO] [stderr] 1157 | let decoded: Block = bincode::deserialize(&encoded[..]).unwrap(); [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_decoded` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `decoded` [INFO] [stderr] --> src/lib.rs:1178:9 [INFO] [stderr] | [INFO] [stderr] 1178 | let decoded: Block = bincode::deserialize(&encoded[..]).unwrap(); [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_decoded` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `golden_tx_solution` [INFO] [stderr] --> src/lib.rs:133:17 [INFO] [stderr] | [INFO] [stderr] 133 | let golden_tx_solution = self.calculate_solution( [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_golden_tx_solution` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `golden_tx` [INFO] [stderr] --> src/lib.rs:163:21 [INFO] [stderr] | [INFO] [stderr] 163 | let mut golden_tx = wallet.create_transaction( [INFO] [stderr] | ^^^^^^^^^ help: consider prefixing with an underscore: `_golden_tx` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `vote` [INFO] [stderr] --> src/lib.rs:206:17 [INFO] [stderr] | [INFO] [stderr] 206 | let mut vote: u8 = 0; [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_vote` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `random_solution` [INFO] [stderr] --> src/lib.rs:236:27 [INFO] [stderr] | [INFO] [stderr] 236 | fn find_winner(&self, random_solution: &[u8], previous_block: &Block) -> PublicKey { [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_random_solution` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:163:17 [INFO] [stderr] | [INFO] [stderr] 163 | let mut golden_tx = wallet.create_transaction( [INFO] [stderr] | ----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:206:13 [INFO] [stderr] | [INFO] [stderr] 206 | let mut vote: u8 = 0; [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:250:12 [INFO] [stderr] | [INFO] [stderr] 250 | let mut winning_tx = self.find_winning_transaction(previous_block); [INFO] [stderr] | ----^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:1138:13 [INFO] [stderr] | [INFO] [stderr] 1138 | let mut f = BufWriter::new(File::create(filename).unwrap()); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:1199:13 [INFO] [stderr] | [INFO] [stderr] 1199 | let mut block: Block = create_block(); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: static item is never used: `BLANK_32_SLICE` [INFO] [stderr] --> src/lib.rs:36:1 [INFO] [stderr] | [INFO] [stderr] 36 | static BLANK_32_SLICE: [u8; 72] = [0; 72]; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `calculate_difficulty` [INFO] [stderr] --> src/lib.rs:323:5 [INFO] [stderr] | [INFO] [stderr] 323 | fn calculate_difficulty (&self, previous_block: &Block) -> f32 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `calculate_paysplit` [INFO] [stderr] --> src/lib.rs:330:5 [INFO] [stderr] | [INFO] [stderr] 330 | fn calculate_paysplit (&self, previous_block: &Block) -> f32 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `calculate_to_amount` [INFO] [stderr] --> src/lib.rs:438:5 [INFO] [stderr] | [INFO] [stderr] 438 | fn calculate_to_amount(&self) -> f32 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `write_blocks` [INFO] [stderr] --> src/lib.rs:1132:1 [INFO] [stderr] | [INFO] [stderr] 1132 | fn write_blocks(blocks: &Vec) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `read_blocks` [INFO] [stderr] --> src/lib.rs:1147:1 [INFO] [stderr] | [INFO] [stderr] 1147 | fn read_blocks() -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `serialize_and_deserialize` [INFO] [stderr] --> src/lib.rs:1166:1 [INFO] [stderr] | [INFO] [stderr] 1166 | fn serialize_and_deserialize(block: &Block) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:862:9 [INFO] [stderr] | [INFO] [stderr] 862 | f.write_all(&encode[..]); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:986:9 [INFO] [stderr] | [INFO] [stderr] 986 | f.write_all(&encode[..]); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:1170:5 [INFO] [stderr] | [INFO] [stderr] 1170 | f.write_all(&encode[..]); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 50.17s [INFO] running `"docker" "inspect" "c6dd7e28d17f04b72c8d06b4c183fcd55bfbc48516a2a7590138623919beb859"` [INFO] running `"docker" "rm" "-f" "c6dd7e28d17f04b72c8d06b4c183fcd55bfbc48516a2a7590138623919beb859"` [INFO] [stdout] c6dd7e28d17f04b72c8d06b4c183fcd55bfbc48516a2a7590138623919beb859 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/BearGuy/saito:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen"` [INFO] [stdout] 3263e8b12f048df30ae36a62fe867bac517ee6966fcb5f9370f2039ab4e55446 [INFO] running `"docker" "start" "-a" "3263e8b12f048df30ae36a62fe867bac517ee6966fcb5f9370f2039ab4e55446"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.13s [INFO] [stderr] Running /opt/crater/target/debug/deps/saito-df34fc666ee71b42 [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 108, 80, 255, 126, 44] [INFO] [stdout] [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 108, 80, 255, 136, 108] [INFO] [stdout] [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 108, 80, 255, 139, 134] [INFO] [stdout] [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 108, 80, 255, 133, 8] [INFO] [stdout] [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 108, 80, 255, 142, 125] [INFO] [stdout] [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 108, 80, 255, 129, 205] [INFO] [stdout] [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 108, 80, 255, 151, 169] [INFO] [stdout] [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 108, 80, 255, 148, 125] [INFO] [stdout] [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 108, 80, 255, 154, 151] [INFO] [stdout] [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 108, 80, 255, 145, 129] [INFO] [stdout] test tests::saito_testing ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/crater/target/debug/deps/saito_bin-fa31d1829675e907 [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Doc-tests saito [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "3263e8b12f048df30ae36a62fe867bac517ee6966fcb5f9370f2039ab4e55446"` [INFO] running `"docker" "rm" "-f" "3263e8b12f048df30ae36a62fe867bac517ee6966fcb5f9370f2039ab4e55446"` [INFO] [stdout] 3263e8b12f048df30ae36a62fe867bac517ee6966fcb5f9370f2039ab4e55446